OverflowError Exception in Python

An OverflowError exception is raised when an arithmetic operation exceeds the limits to be represented. This is part of the ArithmeticError Exception class.

Example 1

Code

j = 5.0

for i in range(1, 1000):
    j = j**i
    print(j)

Output

5.0
25.0
15625.0
5.960464477539062e+16
7.52316384526264e+83
Traceback (most recent call last):
  File "some_file_location", line 4, in <module>
    j = j**i
OverflowError: (34, 'Result too large')

As you can see, when you are trying to calculate the exponent of a floating point number, it fails at a certain stage with OverflowError exception. You can handle this error using the OverflowError Exception class in Python.

Example 2 - Handling OverflowError in Python

Code

j = 5.0

try:
    for i in range(1, 1000):
        j = j**i
        print(j)
except OverflowError as e:
    print("Overflow error happened")
    print(f"{e}, {e.__class__}")

Output

5.0
25.0
15625.0
5.960464477539062e+16
7.52316384526264e+83
Overflow error happened
(34, 'Result too large'), <class 'OverflowError'>

Check out other Python Built-in Exception classes in Python.

built-in-exception-classes - Pylenin

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